Home / 13,652.24-18,843.71-7,986.69

Finding the Fourth Proportional to 13,652.24, 18,843.71 and 7,986.69

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Solution

The fourth proportional to 13,652.24, 18,843.71 and 7,986.69 is: 11,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.24 : 18,843.71 = 7,986.69 : x
  2. Step 2: Convert to fraction form
    13,652.24/18,843.71 = 7,986.69/x
  3. Step 3: Cross multiply
    13,652.24x = 18,843.71 × 7,986.69
  4. Step 4: Simplify right side
    13,652.24x = 150,498,830.29
  5. Step 5: Solve for x
    x = 150,498,830.29/13,652.24
  6. Step 6: Final answer
    x = 11,023.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.